Home / 49,849.88-74,788.92-20,288.93

Finding the Fourth Proportional to 49,849.88, 74,788.92 and 20,288.93

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Solution

The fourth proportional to 49,849.88, 74,788.92 and 20,288.93 is: 30,439.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,849.88 : 74,788.92 = 20,288.93 : x
  2. Step 2: Convert to fraction form
    49,849.88/74,788.92 = 20,288.93/x
  3. Step 3: Cross multiply
    49,849.88x = 74,788.92 × 20,288.93
  4. Step 4: Simplify right side
    49,849.88x = 1,517,386,788.71
  5. Step 5: Solve for x
    x = 1,517,386,788.71/49,849.88
  6. Step 6: Final answer
    x = 30,439.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.